Malicious PDF — malware analysis report

Static analysis result for SHA-256 359be7a9b3facf52…

MALICIOUS

PDF

42.4 KB Created: 2020-08-28 06:41:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5050eb1bcd84cf9b6e3b4df061506db3 SHA-1: ab61f35f3608638e82a6fa2fb4e464db5d0ab319 SHA-256: 359be7a9b3facf525b3813e967584f27bebaf3c932654438a7642cd860ca4aef
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains text related to 'Jumanji 2' and a URL that appears to be a lure for downloading the movie. This URL redirects to the malicious 'ttraff.cc' domain. The PDF also contains a link farm heuristic, indicating a large number of external links, many of which point to benign Shopify URLs, but the primary malicious redirector is the main concern.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=jumanji+2+t%25C3%25BCrk%25C3%25A7e+dublaj+indir
    • http://files.izacshome.com/uploads/1/3/1/4/131407194/wefixasigokulef.pdf
    • http://pefaxipe.kaizenhealthandwellness.com/uploads/1/3/2/6/132681670/tinuwepobonase_xoboluxireguda.pdf
    • https://cdn.shopify.com/s/files/1/0431/8488/1827/files/appositive_worksheet_with_answer_key.pdf
    • https://cdn.shopify.com/s/files/1/0432/4245/5195/files/kafowonawumixek.pdf
    • https://cdn.shopify.com/s/files/1/0430/8379/2533/files/natopimamipufozorexaja.pdf
    • https://cdn.shopify.com/s/files/1/0433/7831/1326/files/game_bar_windows_10.pdf
    • https://cdn.shopify.com/s/files/1/0433/5498/0505/files/asciidoctor_theme_fonts.pdf
    • https://cdn.shopify.com/s/files/1/0449/7778/2952/files/13755562751.pdf
    • https://cdn.shopify.com/s/files/1/0435/7593/5134/files/bewinizuzasabukogubetipo.pdf
    • https://cdn.shopify.com/s/files/1/0437/5147/3303/files/38663092113.pdf
    • https://cdn.shopify.com/s/files/1/0433/8037/5702/files/cff_explorer_deutsch.pdf
    • https://cdn.shopify.com/s/files/1/0448/4333/5837/files/automata_theory_and_compiler_design.pdf
    • https://cdn.shopify.com/s/files/1/0453/8574/4552/files/anthropic_bias.pdf
    • https://cdn.shopify.com/s/files/1/0436/1424/0931/files/pakijagiraxepimafezaviki.pdf
    • https://cdn.shopify.com/s/files/1/0431/3038/8642/files/bsc_subjects_list.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e61.bin
35138fe88272536881ff408c93b1edbe827b45b55360f9b0f14a6f0ec3486448		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E61 5496 bytes
font_01_sfnt_off000070c2.bin
77ef9e79147e14cb9c739cb887b5b7f6a48a4e96712ac003e0bd220f3793fb56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70C2 14012 bytes

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